H7N9 influenza vaccine clinical trials begin

(NIH/National Institute of Allergy and Infectious Diseases) Two new clinical trials testing an experimental vaccine to prevent influenza caused by an H7N9 influenza virus are now enrolling volunteers at sites across the U.S. The Phase 2 studies, sponsored by NIAID, will test different dosages of the inactivated influenza vaccine candidate (called 2017 H7N9 IIV) as well as different vaccination schedules. The studies also will evaluate whether an adjuvant boosts the immune responses of people rec...